Perforated Rock Wool Sound Insulation and Acoustic Absorption Sandwich Panel Product Features:
1. Aesthetic Facade: Concealed screw joint design, high surface flatness, rich color options in baked paint coating with long-lasting color retention.
2. Thermal Insulation and Energy Efficiency: High-density core material ensures excellent thermal insulation performance (rock wool core density ≥120kg/m3, glass wool density ≥64kg/m3).
3. Excellent Sound Insulation: Effective in reducing external noise interference.
4. Water/Air Tightness: Hard polyurethane foam filling on both sides of the tongue-and-groove enhances overall strength and prevents water leakage due to joint deformation.
5. Sturdy and Durable: High strength, long-lasting stability. 
Applicable Fields: Traffic noise: noise control for highways, railways, and subway transportation; Industrial noise: noise management for industrial production equipment and factory environmental noise; Architectural acoustics: noise control in public buildings such as auditoriums, theaters, stadiums, and transportation hubs.